MLA

Geographical Surveys West of the 100th Meridian (U.S.). U.S. geographical surveys west of the 100th meridian land classification map of part of southern New Mexico, atlas sheet no. 84 (B) [cartographic material] / under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineer, U.S. Army.. BRBL_00596. 1879. https://collections.library.yale.edu/catalog/15824429.

APA, 6th edition

Geographical Surveys West of the 100th Meridian (U.S.). (["BRBL_00596"])(1879)[U.S. geographical surveys west of the 100th meridian land classification map of part of southern New Mexico, atlas sheet no. 84 (B) [cartographic material] / under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineer, U.S. Army.]. https://collections.library.yale.edu/catalog/15824429.